Chair seat



FIG. 1 is a front perspective view of the chair seat, the broken lines are for illustrative purposes only and form no part of the claimed design.

FIG. 2 is a front elevational view of the chair seat.

FIG. 3 is a right side elevational view of the chair seat, the left side elevational view being a mirror image thereof.

FIG. 4 is a rear elevational view of the chair seat.

FIG. 5 is a top plan view of the chair seat.

FIG. 6 is a bottom plan view of the chair seat; and,

FIG. 7 is a perspective view of an alternative embodiment similar to FIG. 1, the broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for chair seat, as shown and described. 